• Henry Shukman, writing in Outside, takes Geiger counter in hand to explore that “irradiated Eden,” Chernobyl. Twenty-five years after the meltdown, the place has become “an enchanted post-apocalyptic forest from which entirely new species may soon emerge.”

• Kay S. Hymowitz, writing in The Wall Street Journal, asks “Where have all the good men gone?” The answer: Men in their 20s are stuck in pre-adulthood, while their female peers rack up college degrees and career achievements — and even have babies without them. The article provoked controversy, and 91,000 “likes” on Facebook.

• Adam Goodheart, writing on The New York Times Disunion blog, chronicles Abraham Lincoln’s reintroduction to Washington, D.C., as he prepares for his inauguration. The slave trade, though outlawed a decade earlier, operated openly there and flourished in nearby Alexandria, Va. It was the capital city of a slave republic. http://nyti.ms/eCSGEK